Any of various marine invertebrates of the class Crinoidea, such as the sea lilies and feather stars, that are attached to a surface by a stalk when young but may be free-swimming as adults.
海羊齿一种海百合类海洋生无脊椎动物，如带柄海百合及毛头星，幼年时漂浮，成年时可自由游动。
Any of various echinoderms of the class Crinoidea, including the sea lilies and feather stars, that are characterized by a cup-shaped body, feathery radiating arms, and either a stalk or clawlike structure with which they are able to attach to a surface.
海百合纲动物任一种属于海百合纲的棘皮动物，包括有海百合以及毛头星等，其特征是身体成杯状，有羽状外延腕和可以吸附在海底的肉柄或爪状结构
There are Brachiopoda, Anchozoa, Trilobita, Crinoidea et al. fossils in the clastic rocks and Iimestone.
碎屑岩及灰岩中含腕足、珊瑚、三叶虫、海百合茎等生物化石。
Any of various marine invertebrates of the class Crinoidea, such as the sea lilies and feather stars, that are attached to a surface by a stalk when young but may be free - swimming as adults.
海羊齿一种海百合类海洋生无脊椎动物，如带柄海百合及毛头星，幼年时漂浮，成年时可自由游动。